Home / 8,432.31-11,637.37-6,304.15

Finding the Fourth Proportional to 8,432.31, 11,637.37 and 6,304.15

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Solution

The fourth proportional to 8,432.31, 11,637.37 and 6,304.15 is: 8,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.31 : 11,637.37 = 6,304.15 : x
  2. Step 2: Convert to fraction form
    8,432.31/11,637.37 = 6,304.15/x
  3. Step 3: Cross multiply
    8,432.31x = 11,637.37 × 6,304.15
  4. Step 4: Simplify right side
    8,432.31x = 73,363,726.09
  5. Step 5: Solve for x
    x = 73,363,726.09/8,432.31
  6. Step 6: Final answer
    x = 8,700.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.